[INFO] fetching crate class_group_0_5_2 0.5.2...
[INFO] checking class_group_0_5_2-0.5.2 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate class_group_0_5_2 0.5.2 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate class_group_0_5_2 0.5.2 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate class_group_0_5_2 0.5.2
[INFO] finished tweaking crates.io crate class_group_0_5_2 0.5.2
[INFO] tweaked toml for crates.io crate class_group_0_5_2 0.5.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 219 packages to latest compatible versions
[INFO] [stderr]       Adding bindgen v0.50.1 (available: v0.70.1)
[INFO] [stderr]       Adding curv-kzen v0.7.1 (available: v0.10.0)
[INFO] [stderr]       Adding proptest v0.10.1 (available: v1.5.0)
[INFO] [stderr]       Adding ring-algorithm v0.2.3 (available: v0.7.0)
[INFO] [stderr]       Adding sha2 v0.9.9 (available: v0.10.8)
[INFO] [stderr]       Adding signature v1.2.2 (available: v1.6.4)
[INFO] [stderr]       Adding subtle v2.4.1 (available: v2.6.1)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e4a11cf0b07a559e38a25b0f7a8aa8df1f5d749650f79959e4a4850bf9b379c
[INFO] running `Command { std: "docker" "start" "-a" "0e4a11cf0b07a559e38a25b0f7a8aa8df1f5d749650f79959e4a4850bf9b379c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e4a11cf0b07a559e38a25b0f7a8aa8df1f5d749650f79959e4a4850bf9b379c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e4a11cf0b07a559e38a25b0f7a8aa8df1f5d749650f79959e4a4850bf9b379c", kill_on_drop: false }`
[INFO] [stdout] 0e4a11cf0b07a559e38a25b0f7a8aa8df1f5d749650f79959e4a4850bf9b379c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9aae068c1e4adf7269dd11557a002311b9756668850e5e39f6adaf21ca61a8db
[INFO] running `Command { std: "docker" "start" "-a" "9aae068c1e4adf7269dd11557a002311b9756668850e5e39f6adaf21ca61a8db", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling libc v0.2.167
[INFO] [stderr]    Compiling clear_on_drop v0.2.5
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]     Checking bitvec v0.18.5
[INFO] [stderr]    Compiling object v0.36.5
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.9.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling secp256k1-sys v0.4.2
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling bindgen v0.50.1
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling curve25519-dalek v1.2.6
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking hmac v0.9.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]     Checking ff v0.8.0
[INFO] [stderr]     Checking group v0.8.0
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking cpufeatures v0.2.16
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.4
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking clap_lex v0.7.3
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayref v0.3.9
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking clap_builder v4.5.21
[INFO] [stderr]     Checking tempfile v3.14.0
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking ring-algorithm v0.2.3
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling rug v1.26.1
[INFO] [stderr]     Checking cryptoxide v0.1.3
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking is-terminal v0.4.13
[INFO] [stderr]    Compiling ff_derive-zeroize v0.6.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling backtrace v0.3.74
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/31561a63598a0f21fc74c024747ef1310fdd2eb2/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.90/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=4ab04ccef9abc6f7 -C extra-filename=-4ab04ccef9abc6f7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a2733d1d788d4d39.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ba8659ae2d795c70.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-ced77927454c1eff.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9aae068c1e4adf7269dd11557a002311b9756668850e5e39f6adaf21ca61a8db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aae068c1e4adf7269dd11557a002311b9756668850e5e39f6adaf21ca61a8db", kill_on_drop: false }`
[INFO] [stdout] 9aae068c1e4adf7269dd11557a002311b9756668850e5e39f6adaf21ca61a8db
